Molar Conversion SOL Review

​Conversions SOL Review

By Kaye Pickett

Multiple Choice

What is the molar mass of NaOH?

• 40 g/mol
• 38.989 g/mol
• 23.998 g/mol
• 57.004 g/mol

Multiple Choice

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol
• 35.453 g/mol
• 22.990 g/mol
• 58.443 g/mol

Fill in the Blanks

Open Ended

How many grams are in 2.4 moles of sulfur?

Open Ended

How many moles are in 15 grams of lithium?

Open Ended

How many moles are in 22 grams of argon?

Multiple Choice

85.0 g of NaOH is equal to how many moles?

• 3400 moles

• 45 moles

• 0.47 moles

• 2.1 moles

Multiple Choice

What is the mass in grams of 5.90 mol C₈H_18?

_{C= 12.01 g}

_{H=1.01 g}

• .0512 g
• 19.4 g
• 674.13 g

• 389.67 g

Multiple Choice

How many grams are in 1.2 moles of neon?

• 0.059 grams

• 7.2 x 10²³ grams

• 2.0 x 10^-24 grams

• 24 grams

Open Ended

A researcher found that a reaction produces 6.21 mol of potassium iodide, KI. How many grams is this? Sig figs count!

Multiple Choice

0.75 mole of copper (Cu) is equal to how many atoms?

• 8.03 x 10²³ atoms

• 6.02 x 10²³ atoms

• 4.51 x 10²³ atoms

• 3.11 x 10²³ atoms

Open Ended

A balloon is filled with 3.8 L of argon gas at STP.  Approximately how many moles of argon are contained in the balloon? Sig figs count.

Open Ended

1.       How many moles of silver are equivalent to 1.54 x 10²³ atoms of silver? Sig figs count.

Open Ended

1.      What volume will be occupied by a monatomic gas containing 6.02 x 10²³ atoms at STP?